Mop bucket



FIG. 1 is a front, left and top perspective view of a mop bucket,showing my new design;

FIG. 2 is a rear, right and bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines depict portions of the mop bucket in which the designis embodied that form no part of the claimed design.

CLAIM The ornamental design for a mop bucket, as shown and described.